4x-120-3(x-30)=120

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Solution for 4x-120-3(x-30)=120 equation:


Simplifying
4x + -120 + -3(x + -30) = 120

Reorder the terms:
4x + -120 + -3(-30 + x) = 120
4x + -120 + (-30 * -3 + x * -3) = 120
4x + -120 + (90 + -3x) = 120

Reorder the terms:
-120 + 90 + 4x + -3x = 120

Combine like terms: -120 + 90 = -30
-30 + 4x + -3x = 120

Combine like terms: 4x + -3x = 1x
-30 + 1x = 120

Solving
-30 + 1x = 120

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '30' to each side of the equation.
-30 + 30 + 1x = 120 + 30

Combine like terms: -30 + 30 = 0
0 + 1x = 120 + 30
1x = 120 + 30

Combine like terms: 120 + 30 = 150
1x = 150

Divide each side by '1'.
x = 150

Simplifying
x = 150

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